6662860187 has 2 divisors, whose sum is σ = 6662860188. Its totient is φ = 6662860186.

The previous prime is 6662860181. The next prime is 6662860223. The reversal of 6662860187 is 7810682666.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6662860187 - 2¹² = 6662856091 is a prime.

It is not a weakly prime, because it can be changed into another prime (6662860181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331430093 + 3331430094.

It is an arithmetic number, because the mean of its divisors is an integer number (3331430094).

Almost surely, 2^6662860187 is an apocalyptic number.

6662860187 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662860187 is an equidigital number, since it uses as much as digits as its factorization.

6662860187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 6662860187 is about 81626.3449322582. The cubic root of 6662860187 is about 1881.7137861148.

The spelling of 6662860187 in words is "six billion, six hundred sixty-two million, eight hundred sixty thousand, one hundred eighty-seven".